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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
ALSA: cs4231: Fix -Wformat-truncation warning for longname string
The filling of card->longname can be gracefully truncated, as it's
only informative. Use scnprintf() and suppress the superfluous
compile warning with -Wformat-truncation.
Link: https://lore.kernel.org/r/20230915091313.5988-3-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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sound/isa/cs423x/cs4231.c
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sound/isa/cs423x/cs4231.c
···
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strscpy(card->shortname, chip->pcm->name, sizeof(card->shortname));
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if (dma2[n] < 0)
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snprintf(card->longname, sizeof(card->longname),
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"%s at 0x%lx, irq %d, dma %d",
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chip->pcm->name, chip->port, irq[n], dma1[n]);
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scnprintf(card->longname, sizeof(card->longname),
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"%s at 0x%lx, irq %d, dma %d",
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chip->pcm->name, chip->port, irq[n], dma1[n]);
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else
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snprintf(card->longname, sizeof(card->longname),
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"%s at 0x%lx, irq %d, dma %d&%d",
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chip->pcm->name, chip->port, irq[n], dma1[n], dma2[n]);
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scnprintf(card->longname, sizeof(card->longname),
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"%s at 0x%lx, irq %d, dma %d&%d",
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chip->pcm->name, chip->port, irq[n], dma1[n], dma2[n]);
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error = snd_wss_mixer(chip);
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if (error < 0)